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60 lines
2.0 KiB
Python
60 lines
2.0 KiB
Python
import os
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from glob import glob
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import sys
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import pytest
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from jedi._compatibility import unicode
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from jedi.parser import Parser, load_grammar
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from jedi.evaluate import sys_path, Evaluator
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def test_paths_from_assignment():
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def paths(src):
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grammar = load_grammar()
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stmt = Parser(grammar, unicode(src)).module.statements[0]
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return list(sys_path._paths_from_assignment(Evaluator(grammar), stmt))
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assert paths('sys.path[0:0] = ["a"]') == ['a']
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assert paths('sys.path = ["b", 1, x + 3, y, "c"]') == ['b', 'c']
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assert paths('sys.path = a = ["a"]') == ['a']
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# Fail for complicated examples.
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assert paths('sys.path, other = ["a"], 2') == []
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# Currently venv site-packages resolution only seeks pythonX.Y/site-packages
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# that belong to the same version as the interpreter to avoid issues with
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# cross-version imports. "venvs/" dir contains "venv27" and "venv34" that
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# mimic venvs created for py2.7 and py3.4 respectively. If test runner is
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# invoked with one of those versions, the test below will be run for the
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# matching directory.
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CUR_DIR = os.path.dirname(__file__)
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VENVS = list(glob(
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os.path.join(CUR_DIR, 'sample_venvs/venv%d%d' % sys.version_info[:2])))
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@pytest.mark.parametrize('venv', VENVS)
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def test_get_venv_path(venv):
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pjoin = os.path.join
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venv_path = sys_path.get_venv_path(venv)
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site_pkgs = (glob(pjoin(venv, 'lib', 'python*', 'site-packages')) +
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glob(pjoin(venv, 'lib', 'site-packages')))[0]
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ETALON = [
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site_pkgs,
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pjoin('/path', 'from', 'egg-link'),
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pjoin(site_pkgs, '.', 'relative', 'egg-link', 'path'),
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pjoin(site_pkgs, 'dir-from-foo-pth'),
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]
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# Ensure that pth and egg-link paths were added.
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assert venv_path[:len(ETALON)] == ETALON
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# Ensure that none of venv dirs leaked to the interpreter.
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assert not set(sys.path).intersection(ETALON)
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# Ensure that "import ..." lines were ignored.
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assert pjoin('/path', 'from', 'smth.py') not in venv_path
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assert pjoin('/path', 'from', 'smth.py:extend_path') not in venv_path
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